CN212006302U

CN212006302U - Heat exchange device and air conditioning system

Info

Publication number: CN212006302U
Application number: CN202020548351.7U
Authority: CN
Inventors: 马超
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-24
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a heat transfer device to an air conditioning system with heat transfer device is disclosed, wherein heat transfer device includes: the water tank comprises a tank shell and an inner container, and the tank shell is provided with a mounting seat; the hydraulic module is arranged on the mounting seat and is provided with a refrigerant liquid pipe interface, a refrigerant air pipe interface, a first water inlet, a first water outlet, a first heat exchange flow path and a second heat exchange flow path, wherein two ends of the first heat exchange flow path are respectively connected with the refrigerant liquid pipe interface and the refrigerant air pipe interface, and two ends of the second heat exchange flow path are respectively connected with the first water inlet and the first water outlet; the second heat exchanger is arranged in the box shell and used for exchanging heat for the inner container, and two ends of the second heat exchanger are respectively connected with the refrigerant liquid pipe interface and the refrigerant gas pipe interface; a first throttling element is connected between the second heat exchanger and the refrigerant liquid pipe interface, and a second throttling element is connected between the first heat exchange flow path and the refrigerant liquid pipe interface. The installation is stable, and area is little, and equipment cost is low.

Description

Heat exchange device and air conditioning system

Technical Field

The utility model relates to an air conditioning technology field, in particular to heat transfer device and air conditioning system.

Background

In the prior art, some household air conditioning systems include a heating system for heating and a domestic hot water system for supplying hot water, the heating system includes a hydraulic module and an outdoor unit, and the domestic hot water system includes a water tank and an outdoor unit. The hydraulic module is installed in a wall-mounted mode, the water tank is installed in a floor mode, more space is occupied, installation cost is high, and the cost for a user to purchase two sets of system equipment is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a heat transfer device, area is little, and equipment cost is low, and the installation is simple.

The utility model discloses still provide an air conditioning system who has above-mentioned heat transfer device.

According to the utility model discloses a heat transfer device of first aspect embodiment, include: the water tank comprises a tank shell and an inner container, and a mounting seat is arranged on the tank shell; the hydraulic module is installed on the installation seat and provided with a refrigerant liquid pipe connector, a refrigerant air pipe connector, a first heat exchanger, a first water inlet and a first water outlet, the first heat exchanger is provided with a first heat exchange flow path and a second heat exchange flow path, two ends of the first heat exchange flow path are respectively connected with the refrigerant liquid pipe connector and the refrigerant air pipe connector, and two ends of the second heat exchange flow path are respectively connected with the first water inlet and the first water outlet; the second heat exchanger is arranged in the box shell and used for exchanging heat for the inner container, and two ends of the second heat exchanger are respectively connected with the refrigerant liquid pipe interface and the refrigerant air pipe interface; and a first throttling element is connected between the second heat exchanger and the refrigerant liquid pipe interface, and a second throttling element is connected between the first heat exchange flow path and the refrigerant liquid pipe interface.

According to the utility model discloses heat transfer device has following beneficial effect at least: the hydraulic module is used for a heating system, the water tank is used for a domestic hot water system, the mounting seat is arranged on the water tank, the hydraulic module is mounted on the mounting seat, the structural layout of the upper heating lower water tank is realized, the installation is stable, the occupied area is small, the heating system and the domestic hot water system share one air conditioner outdoor unit, the equipment cost is low, and the installation is simple.

According to some embodiments of the utility model, be provided with water receiving portion on the mount pad.

According to some embodiments of the invention, the first throttling element and the second throttling element are at least one of an electronic expansion valve, a thermostatic expansion valve, a capillary tube.

According to some embodiments of the utility model, the second heat transfer flow path with be connected with the water pump between the first water inlet.

According to some embodiments of the utility model, the second heat transfer flow path with be connected with the electrical heating jar between the first delivery port.

According to some embodiments of the utility model, the second heat transfer flow path with be connected with the expansion tank between the electrical heating jar.

According to some embodiments of the invention, a filter is connected to both ends of the first throttling element and/or the second throttling element.

According to some embodiments of the present invention, the second heat exchanger is configured to surround the periphery of the inner container or the second heat exchanger is disposed inside the inner container.

According to some embodiments of the invention, an electric heating device is provided in the water tank.

According to some embodiments of the utility model, set up the blind pipe that is used for placing temperature sensor in the water tank.

According to the utility model discloses an air conditioning system of second aspect embodiment, its characterized in that includes: the heat exchange device described above; and the air conditioner outdoor unit is connected with the refrigerant liquid pipe interface and the refrigerant air pipe interface.

According to the utility model discloses air conditioning system has following beneficial effect at least: the hydraulic module is used for a heating system, the water tank is used for a domestic hot water system, the mounting seat is arranged on the water tank, the hydraulic module is mounted on the mounting seat, the structural layout of the upper heating lower water tank is realized, the installation is stable, the occupied area is small, the heating system and the domestic hot water system share one air conditioner outdoor unit, the equipment cost is low, and the installation is simple.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a heat exchange device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a heat exchange apparatus according to another embodiment of the present invention;

fig. 3 is a schematic view illustrating a refrigerant flowing direction of the heat exchange device shown in fig. 2 in a heating operation and water tank standby mode;

fig. 4 is a schematic view illustrating a flow direction of a refrigerant of the heat exchange device shown in fig. 2 in a water tank heating and warming standby mode;

fig. 5 is a schematic view illustrating a flow direction of a refrigerant in a heating and water tank simultaneous heating operation mode of the heat exchanger shown in fig. 2;

fig. 6 is a schematic view illustrating a flow direction of a refrigerant of the heat exchanging apparatus shown in fig. 2 in a cooling operation and a standby mode of the water tank.

Reference numerals:

a water tank 101; a hydro module 102; a second heat exchanger 103; a housing 104; an inner container 105; a mounting seat 106; a refrigerant fluid tube interface 107; a refrigerant gas pipe interface 108; a drain port 109; a first heat exchanger 110; an electrically heated tank 111; a water pump 112; a first water inlet 113; a first water outlet 114; a first heat exchange flow path 115; a second heat exchange flow path 116; an expansion tank 117; a water flow switch 118; a water pressure gauge 119; a first throttling element 120; a second throttling element 121; a filter 122; an electric heating device 123; a blind pipe 124; a second water inlet 125; a second water outlet 126; a waste outlet 127.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a heat exchange device according to an embodiment of the present invention includes a water tank 101, a hydraulic module 102, and a second heat exchanger 103, where the water tank 101 includes a tank shell 104 and an inner container 105, and the tank shell 104 is provided with a mounting seat 106; the hydraulic module 102 is mounted on the mounting seat 106, and the hydraulic module 102 is provided with a refrigerant liquid pipe interface 107 and a refrigerant gas pipe interface 108; the second heat exchanger 103 is disposed in the casing 104 and is configured to exchange heat with the inner container 105, and two ends of the second heat exchanger 103 are respectively connected to the refrigerant liquid pipe interface 107 and the refrigerant gas pipe interface 108. In the existing system, the hydraulic module 102 is installed in a wall-mounted manner, and the water tank 101 is installed in a floor-mounted manner, i.e., the water tank needs to be installed in two different places, so that the installation cost is high, and the cost of two sets of equipment is also high. And the utility model discloses a heat transfer device, water conservancy module 102 are used for heating system, and water tank 101 is used for life hot water system, and through setting up mount pad 106 on water tank 101, water conservancy module 102 is installed on mount pad 106, realizes the structural layout of water tank 101 under the heating, and the installation is stable, and area is little, and air condensing units of heating system and life hot water system sharing, equipment cost is low, and the installation is simple.

In some embodiments, to prevent water from dripping from the hydro modules 102 onto the floor, the mounting block 106 is provided with a water trap that collects water dripping from the hydro modules 102, keeping the floor clean. To facilitate draining of collected water, in some embodiments, a drain opening 109 is provided in the mounting block 106.

In some embodiments, the hydraulic module 102 is further provided with a first heat exchanger 110, an electric heating tank 111, a water pump 112, a first water inlet 113 and a first water outlet 114, the refrigerant liquid pipe connector 107 and the refrigerant gas pipe connector 108 are used for connecting a refrigerant of an outdoor unit of an air conditioner, the first heat exchanger 110 is provided with a first heat exchange flow path 115 and a second heat exchange flow path 116, the first heat exchange flow path 115 is respectively connected with the refrigerant liquid pipe connector 107 and the refrigerant gas pipe connector 108, the second heat exchange flow path 116 is respectively connected with the electric heating tank 111 and the water pump 112, the water pump 112 is connected with the first water inlet 113, and the electric heating tank 111 is connected with the first water outlet 114; the first heat exchange flow path 115 is a refrigerant flow path, the second heat exchange flow path 116 is a water flow path, and water in the water flow path exchanges heat with refrigerant in the refrigerant flow path. The heating backwater passes through the first water inlet 113, flows through the water pump 112, enters the first heat exchanger 110 for heating, flows through the electric heating tank 111, and is supplied to the heating system through the first water outlet 114. When the temperature of the water flowing out of the first heat exchanger 110 does not meet the requirement, the electric heating tank 111 can be used for heating the water, so that the temperature of the water flowing out of the electric heating tank 111 is ensured to be enough to meet the requirement of the water temperature when the hydraulic module 102 is applied.

In some embodiments, an expansion tank 117 is connected between the second heat exchange flow path 116 and the electrical heating tank 111. The expansion tank 117 is connected to the waterway system through a joint for buffering pressure fluctuation of the waterway system. Because the second heat exchange flow path 116 is a water flow path, the expansion with heat and contraction with cold characteristics of water are obvious, in the heat exchange process, the pressure of the water path system can change along with the change of the water temperature, when the pressure of the water path system is too high, water can enter the expansion tank 117 through the joint so as to reduce the pressure of the water path system, and each part of the water path system is protected from being damaged due to the too high pressure. In some embodiments, a pressure relief valve is further connected between the second heat exchange flow path 116 and the electric heating tank 111 to further protect various parts of the water path system from being damaged due to over-high pressure.

In some embodiments, a water flow switch 118 and a water pressure gauge 119 are also connected between the water pump 112 and the first water inlet 113 to enhance control of the waterway system.

Referring to fig. 1, a first throttling element 120 is connected between the second heat exchanger 103 and the refrigerant fluid pipe joint 107, and a second throttling element 121 is connected between the first heat exchange flow path 115 and the refrigerant fluid pipe joint 107. The flow direction of the refrigerant is controlled by the first throttling element 120 and the second throttling element 121, so that the functions of refrigerating and heating of the hydraulic module 102, heating of the water tank 101 and the like are realized, and the diversified requirements of users are met.

It should be noted that the first throttling element 120 and the second throttling element 121 may be one of an electronic expansion valve, a thermostatic expansion valve, and a capillary tube, or may be any combination of two of the electronic expansion valve, the thermostatic expansion valve, and the capillary tube, or may be a combination of the electronic expansion valve, the thermostatic expansion valve, and the capillary tube.

In some embodiments, in order to filter impurities in the refrigerant flowing into the first throttling element 120 and the second throttling element 121 to prevent the first throttling element 120 and the second throttling element 121 from being blocked, filters 122 are connected to both ends of the first throttling element 120 and the second throttling element 121. It will be appreciated that in some embodiments, the filter 122 may be attached to only one end of the first throttling element 120 and the second throttling element 121.

In some embodiments, an electrical heating device 123 is disposed in the water tank 101. When the water temperature of the water in the water tank 101 does not meet the requirement, the electric heating device 123 can be used to heat the water, so as to ensure that the water flowing out of the water tank 101 has a temperature sufficient to meet the requirement of the water temperature.

In some embodiments, to facilitate detection of water temperature, a blind pipe 124 for placing a temperature sensor is provided in the water tank 101.

In some embodiments, to improve the insulation, the housing 104 of the tank 101 is provided with insulation.

The water tank 101 is provided with a second water inlet 125 and a second water outlet 126, the second water outlet 126 is connected with a water source to supplement water for the water tank 101, and when a user uses water, hot water flows out through the second water outlet 126. In some embodiments, to facilitate cleaning of impurities in the water tank 101, a drain outlet 127 is provided at the bottom of the water tank 101.

Referring to FIG. 1, in some embodiments, the second heat exchanger 103 surrounds the outer periphery of the inner bladder 105. The second heat exchanger 103 transfers heat to the water through the inner container 105 for heating, and the second heat exchanger 103 is not in direct contact with the water in the inner container 105, so that the corrosion resistance is better.

Referring to fig. 2, in some embodiments, a second heat exchanger 103 is disposed inside the inner container 105 to heat water. The heat exchange efficiency is higher because the second heat exchanger 103 directly exchanges heat with the water in the inner container 105.

It will be appreciated that to facilitate automatic control, in some embodiments, a control unit is also provided in the hydro module 102 for controlling electrical components such as the first throttling element 120 and the second throttling element 121; to facilitate operation by a user, in some embodiments, a display operation unit is also provided in the hydro module 102.

The working mode of the heat exchanger according to an embodiment of the present invention is described with reference to fig. 3 to 6.

Referring to fig. 3, in some embodiments, when the heat exchanger is in a heating operation mode and the water tank 101 is in a standby mode, the first throttling element 120 is closed, the second throttling element 121 is opened, and a high-pressure and high-temperature refrigerant provided by the outdoor unit of the air conditioner enters the refrigerant pipe interface 108 through the connecting pipe, flows through the first heat exchanging flow path 115 of the first heat exchanger 110, flows back to the refrigerant pipe interface 107 through the second throttling element 121, and flows back to the outdoor unit of the air conditioner through the connecting pipe; the heating backwater passes through the first water inlet 113, flows through the water pump 112, enters the second heat exchange flow path 116 of the first heat exchanger 110 for heating, flows through the electric heating tank 111, and is supplied to the heating system through the first water outlet 114. It should be noted that the first throttling element 120 may also be in a micro-flow state, that is, the first throttling element 120 may have a small opening degree, so as to prevent the refrigerant from being accumulated.

Referring to fig. 4, in some embodiments, when the heat exchanger is in a heating standby mode in which the water tank 101 is heated, the first throttling element 120 is opened, the second throttling element 121 is closed, and the high-pressure and high-temperature refrigerant provided by the outdoor unit of the air conditioner enters the refrigerant pipe interface 108 through the connecting pipe, flows through the second heat exchanger 103, and flows back to the outdoor unit of the air conditioner through the first throttling element 120 and the refrigerant pipe interface 107. The water in the water tank 101 absorbs the heat of the second heat exchanger 103, and when the user uses water, hot water flows out through the second water outlet 126, and the second water inlet 125 is connected to a water source for water supplement. It should be noted that the second throttling element 121 may also be in a micro-flow state, that is, the second throttling element 121 may have a small opening degree, so as to prevent the refrigerant from being accumulated.

Referring to fig. 5, in some embodiments, when the heat exchanger is in a heating mode and the water tank 101 is in a heating mode, the first throttling element 120 and the second throttling element 121 are both opened, high-pressure and high-temperature refrigerant provided by the outdoor unit of the air conditioner enters the refrigerant pipe connector 108 through the connecting pipe, one path of refrigerant flows through the first heat exchanging flow path 115 of the first heat exchanger 110, flows back to the refrigerant pipe connector 107 through the second throttling element 121, flows back to the outdoor unit of the air conditioner through the connecting pipe, and returns back heating water to the heating system through the first water inlet 113, flows through the water pump 112, enters the second heat exchanging flow path 116 of the first heat exchanger 110 for heating, flows through the electric heating tank 111, and is supplied to the heating system through. The other refrigerant flows through the second heat exchanger 103, passes through the first throttling element 120 and the refrigerant liquid pipe connector 107, and flows back to the outdoor unit of the air conditioner. Namely, the first throttling element 120 and the second throttling element 121 operate normally according to the control, and the water tank 101 and the hydraulic module 102 exchange heat at the same time.

Referring to fig. 6, in some embodiments, when the heat exchanger is in a cooling operation mode and the water tank 101 is in a standby mode, the first throttling element 120 is closed, the second throttling element 121 is opened, refrigerant of the outdoor unit of the air conditioner flows through the second throttling element 121 via the refrigerant pipe interface 107, the first heat exchanging flow path 115 of the first heat exchanger 110 evaporates and absorbs heat, and flows back to the outdoor unit of the air conditioner via the refrigerant pipe interface 108, and the first throttling element 120 is in a closed state, and no refrigerant flows through. The refrigeration backwater passes through the first water inlet 113, flows through the water pump 112, enters the second heat exchange flow path 116 of the first heat exchanger 110 for cooling, flows through the electric heating tank 111, and is supplied to the refrigeration tail end through the first water outlet 114.

According to the embodiment of the utility model provides an air conditioning system of aspect two, including the heat transfer device and the air condensing units of above-mentioned arbitrary one embodiment, the air condensing units with refrigerant liquid pipe interface 107 and refrigerant trachea interface 108 are connected. The air conditioning system adopts all the technical schemes of the heat exchange device in the embodiment, and the air conditioning system has all the beneficial effects generated by the heat exchange device, and the details are not repeated herein.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Heat transfer device, its characterized in that includes:

the water tank comprises a tank shell and an inner container, and a mounting seat is arranged on the tank shell;

the hydraulic module is installed on the installation seat and provided with a refrigerant liquid pipe connector, a refrigerant air pipe connector, a first heat exchanger, a first water inlet and a first water outlet, the first heat exchanger is provided with a first heat exchange flow path and a second heat exchange flow path, two ends of the first heat exchange flow path are respectively connected with the refrigerant liquid pipe connector and the refrigerant air pipe connector, and two ends of the second heat exchange flow path are respectively connected with the first water inlet and the first water outlet;

the second heat exchanger is arranged in the box shell and used for exchanging heat for the inner container, and two ends of the second heat exchanger are respectively connected with the refrigerant liquid pipe interface and the refrigerant air pipe interface;

and a first throttling element is connected between the second heat exchanger and the refrigerant liquid pipe interface, and a second throttling element is connected between the first heat exchange flow path and the refrigerant liquid pipe interface.

2. The heat exchange device of claim 1, wherein a water receiving portion is disposed on the mounting seat.

3. The heat exchange device of claim 1, wherein the first throttling element and the second throttling element are at least one of an electronic expansion valve, a thermal expansion valve, and a capillary tube.

4. The heat exchange device of claim 1, wherein a water pump is connected between the second heat exchange flow path and the first water inlet.

5. The heat exchange device of claim 1, wherein an electrically heated tank is connected between the second heat exchange flow path and the first water outlet.

6. The heat exchange device of claim 5, wherein an expansion tank is connected between the second heat exchange flow path and the electrically heated tank.

7. The heat exchange device of claim 1, wherein a filter is connected to both ends of the first throttling element and/or the second throttling element.

8. The heat exchange device of claim 1, wherein the second heat exchanger is configured to surround the periphery of the liner or the second heat exchanger is disposed inside the liner.

9. The heat exchange device of claim 1, wherein an electric heating device is disposed in the water tank.

10. The heat exchange device according to claim 1, wherein a blind pipe for placing a temperature sensor is arranged in the water tank.

11. An air conditioning system, comprising:

the heat exchange device of any one of claims 1 to 10;

and the air conditioner outdoor unit is connected with the refrigerant liquid pipe interface and the refrigerant air pipe interface.